Use (file PerlIO::Layer 'perlio') rather than $Config{useperlio}

as gate on layer tests which fail on -Dusesfio
(ext/XS/Typemap/Typemap.t still fails on -Dusesfio)

p4raw-id: //depot/perlio@16245

2 files changed, 5 insertions, 5 deletions

diff --git a/t/io/binmode.t b/t/io/binmode.t
index 4991d5e92f..3775290bf5 100644
--- a/t/io/binmode.t
+++ b/t/io/binmode.t
@@ -11,20 +11,20 @@ require "test.pl";
 plan(tests => 8);
 
 ok( binmode(STDERR),            'STDERR made binary' );
-if ($Config{useperlio}) {
+if (find PerlIO::Layer 'perlio') {
   ok( binmode(STDERR, ":unix"),   '  with unix discipline' );
 } else {
-  ok(1,   '  skip unix discipline for -Uuseperlio' );
+  ok(1,   '  skip unix discipline without PerlIO layers' );
 }
 ok( binmode(STDERR, ":raw"),    '  raw' );
 ok( binmode(STDERR, ":crlf"),   '  and crlf' );
 
 # If this one fails, we're in trouble.  So we just bail out.
 ok( binmode(STDOUT),            'STDOUT made binary' )      || exit(1);
-if ($Config{useperlio}) {
+if (find PerlIO::Layer 'perlio') {
   ok( binmode(STDOUT, ":unix"),   '  with unix discipline' );
 } else {
-  ok(1,   '  skip unix discipline for -Uuseperlio' );
+  ok(1,   '  skip unix discipline without PerlIO layers' );
 }
 ok( binmode(STDOUT, ":raw"),    '  raw' );
 ok( binmode(STDOUT, ":crlf"),   '  and crlf' );
diff --git a/t/io/crlf.t b/t/io/crlf.t
index 20d278fbf2..0968b3653d 100644
--- a/t/io/crlf.t
+++ b/t/io/crlf.t
@@ -14,7 +14,7 @@ END {
  unlink($file);
 }
 
-if ($Config{useperlio}) {
+if (find PerlIO::Layer 'perlio') {
  plan(tests => 6);
  ok(open(FOO,">:crlf",$file));
  ok(print FOO 'a'.((('a' x 14).qq{\n}) x 2000) || close(FOO));